Dong Jiqin (Beijing): Husband of rights lawyer Ni Yulan; reportedly detained by police on 7 April; police believed to have notified family he is held at Xincheng detention centre

Zhu Yufu (Guangzhou): Pro-democracy activist, detained by police 5 March; then formally arrested for 'inciting subversion of state power'. Has been jailed twice, serving 7 years from 1999 for involvement with the China Democratic Party